Effects of sleep deprivation on cognitive performance by United States Air Force pilots.

Nadia Lopez · Fred H. Previc · JOSEPH R. FISCHER · Richard P. Heitz · Randall W Engle

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Sleep and Work-Related Fatigue Human-Automation Interaction and Safety Sleep and Wakefulness Research

Abstract

This study examined the effects of 35 h of continuous sleep deprivation on performance in a variety of cognitive tasks as well as simulated flight. Ten United States Air Force pilots completed the Multi-Attribute Task Battery (MATB), Psychomotor Vigilance Task (PVT), and Operation Span Task (OSPAN), as well as simulated flight at 3 h intervals over a 35 h sleep deprivation period. Performance declined on all tests after about 18–20 h of continuous sleep deprivation, although the degree to which performance degraded varied. During the second half of the sleep deprivation period, performance on the simulated flight was predicted by PVT and OSPAN reasonably well but much less so by the MATB. Variance from optimal flight performance was predicted by both PVT and OSPAN but each measure added incremental validity to the prediction. The two measures together accounted for 58% of the variance in flight performance in the second half of the sleep deprivation period.

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2009The Effects of Sleep Deprivation on Flight Performance, Instrument Scanning, and Physiological Arousal in Pilots 2016Measuring working memory capacity on the web with the online working memory lab (the OWL).

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